Book stand



FIG. 1 is a perspective view of a book stand;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a perspective view of a second embodiment of my new design, the sole difference being the removal of the protruding lip from the front of the book stand;

FIG.5 is a side elevational view of FIG. 4; and,

FIG. 6 is a rear elevational view of FIG. 4. 

The ornamental design for a book stand, as shown and described. 